Pourakbar, M.

policy service inventory demand fi nal phase system order quantity contract phase repair customer decision level alternative policy prof.dr product problem promotor value alternative phase-out function production management service parts approach stock process result rationing model extension period threshold end-of-life increase figure research service contracts study phase-out returns arrival horizon cost function inventory level return section operation repair policy time t class consumer analysis service life cycle cycle repairable container non-stationary poisson process fi nal order control terminal dekker company contract extension decision fi rst order quantity price prof.dr.ir contract extension thresholds performance parameter obsolescence literature strategy schedule alternative service policy fferent differentiation structure